How do you get a cloud hosted nostr:nprofile1qqsyv47lazt9h6ycp2fsw270khje5egjgsrdkrupjg27u796g7f5k0spzemhxue69uhhyetvv9ujuurjd9kkzmpwdejhgqgkypmhxue69uhhyetvv9ujuerpd46hxtnfduhszymhwden5te0wp6hyurvv4cxzeewv4ej7vv367y Hub's node address? I want to connect to and open a channel with this node, but don't see a method for obtaining the address. I only see the public key.